package main

import "fmt"

func main() {
	var n = 68
	switch n / 10 {
	case 10:
	case 9:
	case 8:
		fmt.Println("好评")
	case 7:
	case 6:
	case 5:
		fmt.Println("中上评")
	case 4:
	case 3:
		fmt.Println("中下评")
	case 2:
	case 1:
	case 0:
		fmt.Println("差评")
	}
}
